Leffingwell, Richard.

Doubling and multiplying / Richard Leffingwell. - Chicago : Heinemann Library, c2006. - 24 p. : col. ill. ; 23 cm. - Basic math Heinemann read and learn . - Leffingwell, Richard. Basic math. .

Includes index.

What is doubling? -- Doubling flowers -- Doubling marbles -- Doubling stars -- Doubling buttons -- Practice doubling -- Quiz -- The "times" sign.

ISBN: 1403481571 (library binding-hardcover) 1403481628 (pbk.)

LCCN: 2006005920

Subjects--Topical Terms:
Multiplication.
Arithmetic.

LC Class. No.: QA115 / .L4485 2006

Dewey Class. No.: 513.2/13